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Feb 08, 2025
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GRT 427 - Specialty Printing Methods Credits: 4 Lecture Hours: 2 Lab Hours: 4 Practicum Hours: 0 Work Experience: 0 Course Type: Voc/Tech A course in specialty printing focusing on flexography and screen printing. The student will work in a lab environment to complete multiple-color printed projects, advancing their skills in both printing technologies. Prerequisite: GRT 400 , GRT 401, GRT 409 , GRT 410 Competencies
- Demonstrate intermediate understanding of flexographic prepress functions
- Describe the importance of PH and ink.
- Interpret a job ticket of a flexographic job
- Determine plate exposure time
- Expose and process flexographic plate
- Apply film to plate material
- Process exposure material to the proper time and settings
- Mix and prepare ink for flexographic printing
- Use correct formulas for mixing flexo inks
- Achieve proper ink flow for flexo printing
- Demonstrate intermediate understanding of flexographic press set-up functions
- Prepare flexographic slitter
- Prepare roll matrix station
- Prepare roll delivery station
- Prepare laminating station
- Mount plate cylinder to press.
- Make ready/set up press
- Print a multi-color label using a flexo press
- Maintain accurate position of printed image, side to side, and head to foot.
- Maintain proper roll tension to keep good print registration
- Perform standard machine clean up and maintenance of a flexo press.
- Clean the analox and metering rolls.
- Drain the ink pan
- Clean and remove flexo plates
- Maintain regular greasing and oiling
- Identify and execute trouble shooting of flexo printing
- Repair Dr. Blade wear
- Maintain cleanliness of all rollers, pans and parts
- Adjust and obtain proper paper web tension.
- Maintain proper machine maintenance of flexo press
- Demonstrate intermediate understanding of screen printing prepress functions.
- Interpret screen print job tickets
- Prepare screen for emulsion and exposure
- Apply emulsion to screen
- Determine exposure time and expose screen
- Wash and mount screen to press
- Mix or prepare ink
- Print a multi color screen printing job
- Print a two color or three color job
- Print a four color, or five color, or six color job
- Print a job requiring tight registration
- Use a composite image to set initial screen frame position.
- Center shirts on platen
- Make color positioning adjustments
- Make final, fine adjustments
- Perform standard clean-up and maintenance operations of screen printing equipment.
- Maintain routine greasing of screen printing press and dryer.
- Remove tape form sides of frame and clean all screen frames completely
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